Heel of a shoe



FIG. 1 is a top perspective view of a heel of a shoe, showing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a rear perspective view thereof;

FIG. 4 is a left side perspective view thereof, the right side perspective view being a mirror image thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a left side perspective view thereof, shown in the environmental use.

The broken line portions of FIG. 7 are included to show environmental use only and do not form any part of the claimed design. 

CLAIM The ornamental design for a heel of a shoe, as shown and described. 